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swift2 - Swift: guard let vs if let - Stack Overflow The Swift Docs on Control Flow explain the idea behind that: Using a guard statement for requirements improves the readability of your code, compared to doing the same check with an if statement
ios - Swift - encode URL - Stack Overflow 0 SWIFT 4 2 Sometimes this happened just because there is space in slug OR absence of URL encoding for parameters passing through API URL
Swift: print () vs println () vs NSLog () - Stack Overflow Back in Swift 1 x, print did not add newline characters at the end of the printed string, whereas println did But nowadays, print always adds the newline character at the end of the string, and if you don't want it to do that, supply a terminator parameter of "" NSLog: NSLog adds a timestamp and identifier to the output, whereas print will not
Swift - How to replace characters in a String? - Stack Overflow 2 Swift 5 5 But this might work in earlier versions I'm frequently replacing because I want to replace "any whitespace or -" with a _ or something like that This extension on string lets me do that
swift - Read and write a String from text file - Stack Overflow I need to read and write data to from a text file, but I haven't been able to figure out how I found this sample code in the Swift's iBook, but I still don't know how to write or read data import